Changyi City is located at the northwest end of Shandong Peninsula, bordering Laizhou City and pingdu city in the east, Jiaolai River in the south, gaomi city City and Anqiu City in the west, Fangzi District and Hanting District in Weifang City in the west, and Laizhou Bay in the north. The area of the city is as long as the waist of a bee. It is 75 kilometers long from north to south, 32.5 kilometers wide from east to west and only 7.5 kilometers narrow, with a total area of 1578.7 square kilometers. It accounts for 1% of Shandong Province.

The urban area is located in the northwest of the city center, 30 kilometers west of Weifang and 2 15 kilometers away from Jinan.

Changyi belongs to temperate semi-humid monsoon continental climate, with four distinct seasons, rain and heat at the same time, dry and windy in spring, hot and humid in summer, cool in autumn and little snow in winter.

Up to 20 12, the discovered and exploited mineral resources in Changyi mainly include iron, bentonite, clay, timely, marble, granite, barite, river sand, underground brine, natural gas and oil. From the analysis of mineral structure, there are many kinds of nonmetallic minerals with large reserves and obvious advantages.

Bentonite has been mined and widely distributed in southern China, with a total reserve of about 2,654.38+million tons, including large deposits 1, medium deposits 1 and 2 small deposits. Quartzite: mainly distributed in the area from Lushan Mountain to Qinglong Mountain to the north of Ma Yin Town, with a geological reserve of 36.83 million tons. The ore body is thick, high grade and simple in structure. Now it is jointly mined with Hong Kong.

Brine: mainly distributed in the northern coast, divided into three layers, with an estimated total reserve of about 654.38 billion cubic meters. Mining has a long history and broad prospects. At present, it has formed an annual production capacity of 6,543,800 tons of salt and more than 2,000 tons of bromine.

Extended data:

Changyi residents are mostly Han nationality, and there are Hui, Manchu, Miao, Yi, Zhuang, Mongolian, Buyi, Korean, Russian and other ethnic minorities.

20 16 Changyi City established the Municipal Performing Arts Center to undertake some performances of the "Ten Arts Festival". The Cultural Center of the Library has passed the acceptance of the national first-class museum, hosted 1 1 important events such as the National Middle School Volleyball League, and was rated as an advanced unit of mass sports in the province.

In 20 16, Changyi completed the investment in municipal infrastructure such as roads, greening, rain and sewage diversion, and the infrastructure area of the beneficiary city was 60 square kilometers. The renovation of villages in cities and shanty towns has invested 5.89 billion yuan, the construction of small towns has invested 654.38+0.453 billion yuan, and the embankment project has invested 365.438+0 million yuan, with 40 kilometers completed.

The oil supply rate and centralized water supply rate of administrative villages reached 100%, and 126 billion yuan was invested to transform power facilities, and 13 urban community service centers and 82 rural community service centers were built. Afforestation increased by 6,543.8+0.32 million mu, and the forest coverage rate was 26.8%.

Baidu Encyclopedia-Changyi